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Finding the Fourth Proportional to 71,161.60, 106,713.60 and 24,390.40

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Solution

The fourth proportional to 71,161.60, 106,713.60 and 24,390.40 is: 36,575.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,161.60 : 106,713.60 = 24,390.40 : x
  2. Step 2: Convert to fraction form
    71,161.60/106,713.60 = 24,390.40/x
  3. Step 3: Cross multiply
    71,161.60x = 106,713.60 × 24,390.40
  4. Step 4: Simplify right side
    71,161.60x = 2,602,787,389.44
  5. Step 5: Solve for x
    x = 2,602,787,389.44/71,161.60
  6. Step 6: Final answer
    x = 36,575.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.